#include "AlphaISelLowering.h"
#include "AlphaTargetMachine.h"
+#include "AlphaMachineFunctionInfo.h"
#include "llvm/CodeGen/CallingConvLower.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
+#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/Constants.h"
#include "llvm/Function.h"
#include "llvm/Module.h"
#include "llvm/Intrinsics.h"
+#include "llvm/Type.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
: TargetLowering(TM, new TargetLoweringObjectFileELF()) {
// Set up the TargetLowering object.
//I am having problems with shr n i8 1
- setShiftAmountType(MVT::i64);
setBooleanContents(ZeroOrOneBooleanContent);
-
- setUsesGlobalOffsetTable(true);
-
+
addRegisterClass(MVT::i64, Alpha::GPRCRegisterClass);
addRegisterClass(MVT::f64, Alpha::F8RCRegisterClass);
addRegisterClass(MVT::f32, Alpha::F4RCRegisterClass);
setLoadExtAction(ISD::EXTLOAD, MVT::i1, Promote);
setLoadExtAction(ISD::EXTLOAD, MVT::f32, Expand);
-
+
setLoadExtAction(ISD::ZEXTLOAD, MVT::i1, Promote);
setLoadExtAction(ISD::ZEXTLOAD, MVT::i32, Expand);
-
+
setLoadExtAction(ISD::SEXTLOAD, MVT::i1, Promote);
setLoadExtAction(ISD::SEXTLOAD, MVT::i8, Expand);
setLoadExtAction(ISD::SEXTLOAD, MVT::i16, Expand);
// setOperationAction(ISD::BRIND, MVT::Other, Expand);
setOperationAction(ISD::BR_JT, MVT::Other, Expand);
setOperationAction(ISD::BR_CC, MVT::Other, Expand);
- setOperationAction(ISD::SELECT_CC, MVT::Other, Expand);
+ setOperationAction(ISD::SELECT_CC, MVT::Other, Expand);
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
setOperationAction(ISD::FREM, MVT::f32, Expand);
setOperationAction(ISD::FREM, MVT::f64, Expand);
-
+
setOperationAction(ISD::UINT_TO_FP, MVT::i64, Expand);
setOperationAction(ISD::SINT_TO_FP, MVT::i64, Custom);
setOperationAction(ISD::FP_TO_UINT, MVT::i64, Expand);
setOperationAction(ISD::BSWAP , MVT::i64, Expand);
setOperationAction(ISD::ROTL , MVT::i64, Expand);
setOperationAction(ISD::ROTR , MVT::i64, Expand);
-
+
setOperationAction(ISD::SREM , MVT::i64, Custom);
setOperationAction(ISD::UREM , MVT::i64, Custom);
setOperationAction(ISD::SDIV , MVT::i64, Custom);
setOperationAction(ISD::FPOW , MVT::f32, Expand);
setOperationAction(ISD::FPOW , MVT::f64, Expand);
+ setOperationAction(ISD::FMA, MVT::f64, Expand);
+ setOperationAction(ISD::FMA, MVT::f32, Expand);
+
setOperationAction(ISD::SETCC, MVT::f32, Promote);
- setOperationAction(ISD::BIT_CONVERT, MVT::f32, Promote);
+ setOperationAction(ISD::BITCAST, MVT::f32, Promote);
- // We don't have line number support yet.
- setOperationAction(ISD::DBG_STOPPOINT, MVT::Other, Expand);
- setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
- setOperationAction(ISD::DBG_LABEL, MVT::Other, Expand);
setOperationAction(ISD::EH_LABEL, MVT::Other, Expand);
// Not implemented yet.
- setOperationAction(ISD::STACKSAVE, MVT::Other, Expand);
+ setOperationAction(ISD::STACKSAVE, MVT::Other, Expand);
setOperationAction(ISD::STACKRESTORE, MVT::Other, Expand);
setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i64, Expand);
setStackPointerRegisterToSaveRestore(Alpha::R30);
- addLegalFPImmediate(APFloat(+0.0)); //F31
- addLegalFPImmediate(APFloat(+0.0f)); //F31
- addLegalFPImmediate(APFloat(-0.0)); //-F31
- addLegalFPImmediate(APFloat(-0.0f)); //-F31
-
setJumpBufSize(272);
setJumpBufAlignment(16);
+ setMinFunctionAlignment(4);
+
computeRegisterProperties();
}
}
}
-/// getFunctionAlignment - Return the Log2 alignment of this function.
-unsigned AlphaTargetLowering::getFunctionAlignment(const Function *F) const {
- return 4;
-}
-
static SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG) {
EVT PtrVT = Op.getValueType();
JumpTableSDNode *JT = cast<JumpTableSDNode>(Op);
SDValue JTI = DAG.getTargetJumpTable(JT->getIndex(), PtrVT);
- SDValue Zero = DAG.getConstant(0, PtrVT);
// FIXME there isn't really any debug info here
DebugLoc dl = Op.getDebugLoc();
-
+
SDValue Hi = DAG.getNode(AlphaISD::GPRelHi, dl, MVT::i64, JTI,
DAG.getGLOBAL_OFFSET_TABLE(MVT::i64));
SDValue Lo = DAG.getNode(AlphaISD::GPRelLo, dl, MVT::i64, JTI, Hi);
SDValue
AlphaTargetLowering::LowerCall(SDValue Chain, SDValue Callee,
CallingConv::ID CallConv, bool isVarArg,
- bool isTailCall,
+ bool &isTailCall,
const SmallVectorImpl<ISD::OutputArg> &Outs,
+ const SmallVectorImpl<SDValue> &OutVals,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals) {
+ SmallVectorImpl<SDValue> &InVals) const {
+ // Alpha target does not yet support tail call optimization.
+ isTailCall = false;
// Analyze operands of the call, assigning locations to each operand.
SmallVector<CCValAssign, 16> ArgLocs;
- CCState CCInfo(CallConv, isVarArg, getTargetMachine(),
- ArgLocs, *DAG.getContext());
+ CCState CCInfo(CallConv, isVarArg, DAG.getMachineFunction(),
+ getTargetMachine(), ArgLocs, *DAG.getContext());
CCInfo.AnalyzeCallOperands(Outs, CC_Alpha);
for (unsigned i = 0, e = ArgLocs.size(); i != e; ++i) {
CCValAssign &VA = ArgLocs[i];
- SDValue Arg = Outs[i].Val;
+ SDValue Arg = OutVals[i];
// Promote the value if needed.
switch (VA.getLocInfo()) {
DAG.getIntPtrConstant(VA.getLocMemOffset()));
MemOpChains.push_back(DAG.getStore(Chain, dl, Arg, PtrOff,
- PseudoSourceValue::getStack(), 0));
+ MachinePointerInfo(),false, false, 0));
}
}
// Build a sequence of copy-to-reg nodes chained together with token chain and
// flag operands which copy the outgoing args into registers. The InFlag in
- // necessary since all emited instructions must be stuck together.
+ // necessary since all emitted instructions must be stuck together.
SDValue InFlag;
for (unsigned i = 0, e = RegsToPass.size(); i != e; ++i) {
Chain = DAG.getCopyToReg(Chain, dl, RegsToPass[i].first,
}
// Returns a chain & a flag for retval copy to use.
- SDVTList NodeTys = DAG.getVTList(MVT::Other, MVT::Flag);
+ SDVTList NodeTys = DAG.getVTList(MVT::Other, MVT::Glue);
SmallVector<SDValue, 8> Ops;
Ops.push_back(Chain);
Ops.push_back(Callee);
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals) {
+ SmallVectorImpl<SDValue> &InVals) const {
// Assign locations to each value returned by this call.
SmallVector<CCValAssign, 16> RVLocs;
- CCState CCInfo(CallConv, isVarArg, getTargetMachine(), RVLocs,
- *DAG.getContext());
+ CCState CCInfo(CallConv, isVarArg, DAG.getMachineFunction(),
+ getTargetMachine(), RVLocs, *DAG.getContext());
CCInfo.AnalyzeCallResult(Ins, RetCC_Alpha);
const SmallVectorImpl<ISD::InputArg>
&Ins,
DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals) {
+ SmallVectorImpl<SDValue> &InVals)
+ const {
MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo();
+ AlphaMachineFunctionInfo *FuncInfo = MF.getInfo<AlphaMachineFunctionInfo>();
unsigned args_int[] = {
Alpha::R16, Alpha::R17, Alpha::R18, Alpha::R19, Alpha::R20, Alpha::R21};
unsigned args_float[] = {
Alpha::F16, Alpha::F17, Alpha::F18, Alpha::F19, Alpha::F20, Alpha::F21};
-
+
for (unsigned ArgNo = 0, e = Ins.size(); ArgNo != e; ++ArgNo) {
SDValue argt;
EVT ObjectVT = Ins[ArgNo].VT;
default:
assert(false && "Invalid value type!");
case MVT::f64:
- args_float[ArgNo] = AddLiveIn(MF, args_float[ArgNo],
+ args_float[ArgNo] = AddLiveIn(MF, args_float[ArgNo],
&Alpha::F8RCRegClass);
ArgVal = DAG.getCopyFromReg(Chain, dl, args_float[ArgNo], ObjectVT);
break;
case MVT::f32:
- args_float[ArgNo] = AddLiveIn(MF, args_float[ArgNo],
+ args_float[ArgNo] = AddLiveIn(MF, args_float[ArgNo],
&Alpha::F4RCRegClass);
ArgVal = DAG.getCopyFromReg(Chain, dl, args_float[ArgNo], ObjectVT);
break;
case MVT::i64:
- args_int[ArgNo] = AddLiveIn(MF, args_int[ArgNo],
+ args_int[ArgNo] = AddLiveIn(MF, args_int[ArgNo],
&Alpha::GPRCRegClass);
ArgVal = DAG.getCopyFromReg(Chain, dl, args_int[ArgNo], MVT::i64);
break;
}
} else { //more args
// Create the frame index object for this incoming parameter...
- int FI = MFI->CreateFixedObject(8, 8 * (ArgNo - 6));
+ int FI = MFI->CreateFixedObject(8, 8 * (ArgNo - 6), true);
// Create the SelectionDAG nodes corresponding to a load
//from this parameter
SDValue FIN = DAG.getFrameIndex(FI, MVT::i64);
- ArgVal = DAG.getLoad(ObjectVT, dl, Chain, FIN, NULL, 0);
+ ArgVal = DAG.getLoad(ObjectVT, dl, Chain, FIN, MachinePointerInfo(),
+ false, false, 0);
}
InVals.push_back(ArgVal);
}
// If the functions takes variable number of arguments, copy all regs to stack
if (isVarArg) {
- VarArgsOffset = Ins.size() * 8;
+ FuncInfo->setVarArgsOffset(Ins.size() * 8);
std::vector<SDValue> LS;
for (int i = 0; i < 6; ++i) {
if (TargetRegisterInfo::isPhysicalRegister(args_int[i]))
args_int[i] = AddLiveIn(MF, args_int[i], &Alpha::GPRCRegClass);
SDValue argt = DAG.getCopyFromReg(Chain, dl, args_int[i], MVT::i64);
- int FI = MFI->CreateFixedObject(8, -8 * (6 - i));
- if (i == 0) VarArgsBase = FI;
+ int FI = MFI->CreateFixedObject(8, -8 * (6 - i), true);
+ if (i == 0) FuncInfo->setVarArgsBase(FI);
SDValue SDFI = DAG.getFrameIndex(FI, MVT::i64);
- LS.push_back(DAG.getStore(Chain, dl, argt, SDFI, NULL, 0));
+ LS.push_back(DAG.getStore(Chain, dl, argt, SDFI, MachinePointerInfo(),
+ false, false, 0));
if (TargetRegisterInfo::isPhysicalRegister(args_float[i]))
args_float[i] = AddLiveIn(MF, args_float[i], &Alpha::F8RCRegClass);
argt = DAG.getCopyFromReg(Chain, dl, args_float[i], MVT::f64);
- FI = MFI->CreateFixedObject(8, - 8 * (12 - i));
+ FI = MFI->CreateFixedObject(8, - 8 * (12 - i), true);
SDFI = DAG.getFrameIndex(FI, MVT::i64);
- LS.push_back(DAG.getStore(Chain, dl, argt, SDFI, NULL, 0));
+ LS.push_back(DAG.getStore(Chain, dl, argt, SDFI, MachinePointerInfo(),
+ false, false, 0));
}
//Set up a token factor with all the stack traffic
AlphaTargetLowering::LowerReturn(SDValue Chain,
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,
- DebugLoc dl, SelectionDAG &DAG) {
+ const SmallVectorImpl<SDValue> &OutVals,
+ DebugLoc dl, SelectionDAG &DAG) const {
SDValue Copy = DAG.getCopyToReg(Chain, dl, Alpha::R26,
DAG.getNode(AlphaISD::GlobalRetAddr,
- DebugLoc::getUnknownLoc(),
- MVT::i64),
+ DebugLoc(), MVT::i64),
SDValue());
switch (Outs.size()) {
default:
break;
//return SDValue(); // ret void is legal
case 1: {
- EVT ArgVT = Outs[0].Val.getValueType();
+ EVT ArgVT = Outs[0].VT;
unsigned ArgReg;
if (ArgVT.isInteger())
ArgReg = Alpha::R0;
assert(ArgVT.isFloatingPoint());
ArgReg = Alpha::F0;
}
- Copy = DAG.getCopyToReg(Copy, dl, ArgReg,
- Outs[0].Val, Copy.getValue(1));
+ Copy = DAG.getCopyToReg(Copy, dl, ArgReg,
+ OutVals[0], Copy.getValue(1));
if (DAG.getMachineFunction().getRegInfo().liveout_empty())
DAG.getMachineFunction().getRegInfo().addLiveOut(ArgReg);
break;
}
case 2: {
- EVT ArgVT = Outs[0].Val.getValueType();
+ EVT ArgVT = Outs[0].VT;
unsigned ArgReg1, ArgReg2;
if (ArgVT.isInteger()) {
ArgReg1 = Alpha::R0;
ArgReg1 = Alpha::F0;
ArgReg2 = Alpha::F1;
}
- Copy = DAG.getCopyToReg(Copy, dl, ArgReg1,
- Outs[0].Val, Copy.getValue(1));
- if (std::find(DAG.getMachineFunction().getRegInfo().liveout_begin(),
+ Copy = DAG.getCopyToReg(Copy, dl, ArgReg1,
+ OutVals[0], Copy.getValue(1));
+ if (std::find(DAG.getMachineFunction().getRegInfo().liveout_begin(),
DAG.getMachineFunction().getRegInfo().liveout_end(), ArgReg1)
== DAG.getMachineFunction().getRegInfo().liveout_end())
DAG.getMachineFunction().getRegInfo().addLiveOut(ArgReg1);
- Copy = DAG.getCopyToReg(Copy, dl, ArgReg2,
- Outs[1].Val, Copy.getValue(1));
- if (std::find(DAG.getMachineFunction().getRegInfo().liveout_begin(),
+ Copy = DAG.getCopyToReg(Copy, dl, ArgReg2,
+ OutVals[1], Copy.getValue(1));
+ if (std::find(DAG.getMachineFunction().getRegInfo().liveout_begin(),
DAG.getMachineFunction().getRegInfo().liveout_end(), ArgReg2)
== DAG.getMachineFunction().getRegInfo().liveout_end())
DAG.getMachineFunction().getRegInfo().addLiveOut(ArgReg2);
break;
}
}
- return DAG.getNode(AlphaISD::RET_FLAG, dl,
+ return DAG.getNode(AlphaISD::RET_FLAG, dl,
MVT::Other, Copy, Copy.getValue(1));
}
void AlphaTargetLowering::LowerVAARG(SDNode *N, SDValue &Chain,
- SDValue &DataPtr, SelectionDAG &DAG) {
+ SDValue &DataPtr,
+ SelectionDAG &DAG) const {
Chain = N->getOperand(0);
SDValue VAListP = N->getOperand(1);
const Value *VAListS = cast<SrcValueSDNode>(N->getOperand(2))->getValue();
DebugLoc dl = N->getDebugLoc();
- SDValue Base = DAG.getLoad(MVT::i64, dl, Chain, VAListP, VAListS, 0);
+ SDValue Base = DAG.getLoad(MVT::i64, dl, Chain, VAListP,
+ MachinePointerInfo(VAListS),
+ false, false, 0);
SDValue Tmp = DAG.getNode(ISD::ADD, dl, MVT::i64, VAListP,
DAG.getConstant(8, MVT::i64));
SDValue Offset = DAG.getExtLoad(ISD::SEXTLOAD, dl, MVT::i64, Base.getValue(1),
- Tmp, NULL, 0, MVT::i32);
+ Tmp, MachinePointerInfo(),
+ MVT::i32, false, false, 0);
DataPtr = DAG.getNode(ISD::ADD, dl, MVT::i64, Base, Offset);
if (N->getValueType(0).isFloatingPoint())
{
SDValue NewOffset = DAG.getNode(ISD::ADD, dl, MVT::i64, Offset,
DAG.getConstant(8, MVT::i64));
- Chain = DAG.getTruncStore(Offset.getValue(1), dl, NewOffset, Tmp, NULL, 0,
- MVT::i32);
+ Chain = DAG.getTruncStore(Offset.getValue(1), dl, NewOffset, Tmp,
+ MachinePointerInfo(),
+ MVT::i32, false, false, 0);
}
/// LowerOperation - Provide custom lowering hooks for some operations.
///
-SDValue AlphaTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) {
+SDValue AlphaTargetLowering::LowerOperation(SDValue Op,
+ SelectionDAG &DAG) const {
DebugLoc dl = Op.getDebugLoc();
switch (Op.getOpcode()) {
default: llvm_unreachable("Wasn't expecting to be able to lower this!");
switch (IntNo) {
default: break; // Don't custom lower most intrinsics.
case Intrinsic::alpha_umulh:
- return DAG.getNode(ISD::MULHU, dl, MVT::i64,
+ return DAG.getNode(ISD::MULHU, dl, MVT::i64,
Op.getOperand(1), Op.getOperand(2));
}
}
SDValue ShOpLo = Op.getOperand(0);
SDValue ShOpHi = Op.getOperand(1);
SDValue ShAmt = Op.getOperand(2);
- SDValue bm = DAG.getNode(ISD::SUB, dl, MVT::i64,
- DAG.getConstant(64, MVT::i64), ShAmt);
+ SDValue bm = DAG.getNode(ISD::SUB, dl, MVT::i64,
+ DAG.getConstant(64, MVT::i64), ShAmt);
SDValue BMCC = DAG.getSetCC(dl, MVT::i64, bm,
DAG.getConstant(0, MVT::i64), ISD::SETLE);
// if 64 - shAmt <= 0
SDValue Hi_Neg = DAG.getConstant(0, MVT::i64);
SDValue ShAmt_Neg = DAG.getNode(ISD::SUB, dl, MVT::i64,
- DAG.getConstant(0, MVT::i64), bm);
+ DAG.getConstant(0, MVT::i64), bm);
SDValue Lo_Neg = DAG.getNode(ISD::SRL, dl, MVT::i64, ShOpHi, ShAmt_Neg);
// else
SDValue carries = DAG.getNode(ISD::SHL, dl, MVT::i64, ShOpHi, bm);
SDValue Lo = DAG.getNode(ISD::SELECT, dl, MVT::i64, BMCC, Lo_Neg, Lo_Pos);
SDValue Ops[2] = { Lo, Hi };
return DAG.getMergeValues(Ops, 2, dl);
- }
+ }
// case ISD::SRA_PARTS:
// case ISD::SHL_PARTS:
"Unhandled SINT_TO_FP type in custom expander!");
SDValue LD;
bool isDouble = Op.getValueType() == MVT::f64;
- LD = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::f64, Op.getOperand(0));
+ LD = DAG.getNode(ISD::BITCAST, dl, MVT::f64, Op.getOperand(0));
SDValue FP = DAG.getNode(isDouble?AlphaISD::CVTQT_:AlphaISD::CVTQS_, dl,
isDouble?MVT::f64:MVT::f32, LD);
return FP;
if (!isDouble) //Promote
src = DAG.getNode(ISD::FP_EXTEND, dl, MVT::f64, src);
-
+
src = DAG.getNode(AlphaISD::CVTTQ_, dl, MVT::f64, src);
- return DAG.getNode(ISD::BIT_CONVERT, dl, MVT::i64, src);
+ return DAG.getNode(ISD::BITCAST, dl, MVT::i64, src);
}
case ISD::ConstantPool: {
ConstantPoolSDNode *CP = cast<ConstantPoolSDNode>(Op);
- Constant *C = CP->getConstVal();
+ const Constant *C = CP->getConstVal();
SDValue CPI = DAG.getTargetConstantPool(C, MVT::i64, CP->getAlignment());
// FIXME there isn't really any debug info here
-
+
SDValue Hi = DAG.getNode(AlphaISD::GPRelHi, dl, MVT::i64, CPI,
DAG.getGLOBAL_OFFSET_TABLE(MVT::i64));
SDValue Lo = DAG.getNode(AlphaISD::GPRelLo, dl, MVT::i64, CPI, Hi);
llvm_unreachable("TLS not implemented for Alpha.");
case ISD::GlobalAddress: {
GlobalAddressSDNode *GSDN = cast<GlobalAddressSDNode>(Op);
- GlobalValue *GV = GSDN->getGlobal();
- SDValue GA = DAG.getTargetGlobalAddress(GV, MVT::i64, GSDN->getOffset());
+ const GlobalValue *GV = GSDN->getGlobal();
+ SDValue GA = DAG.getTargetGlobalAddress(GV, dl, MVT::i64,
+ GSDN->getOffset());
// FIXME there isn't really any debug info here
- // if (!GV->hasWeakLinkage() && !GV->isDeclaration() && !GV->hasLinkOnceLinkage()) {
+ // if (!GV->hasWeakLinkage() && !GV->isDeclaration()
+ // && !GV->hasLinkOnceLinkage()) {
if (GV->hasLocalLinkage()) {
SDValue Hi = DAG.getNode(AlphaISD::GPRelHi, dl, MVT::i64, GA,
DAG.getGLOBAL_OFFSET_TABLE(MVT::i64));
SDValue Lo = DAG.getNode(AlphaISD::GPRelLo, dl, MVT::i64, GA, Hi);
return Lo;
} else
- return DAG.getNode(AlphaISD::RelLit, dl, MVT::i64, GA,
+ return DAG.getNode(AlphaISD::RelLit, dl, MVT::i64, GA,
DAG.getGLOBAL_OFFSET_TABLE(MVT::i64));
}
case ISD::ExternalSymbol: {
- return DAG.getNode(AlphaISD::RelLit, dl, MVT::i64,
+ return DAG.getNode(AlphaISD::RelLit, dl, MVT::i64,
DAG.getTargetExternalSymbol(cast<ExternalSymbolSDNode>(Op)
->getSymbol(), MVT::i64),
DAG.getGLOBAL_OFFSET_TABLE(MVT::i64));
case ISD::UDIV:
if (Op.getValueType().isInteger()) {
if (Op.getOperand(1).getOpcode() == ISD::Constant)
- return Op.getOpcode() == ISD::SDIV ? BuildSDIV(Op.getNode(), DAG, NULL)
+ return Op.getOpcode() == ISD::SDIV ? BuildSDIV(Op.getNode(), DAG, NULL)
: BuildUDIV(Op.getNode(), DAG, NULL);
const char* opstr = 0;
switch (Op.getOpcode()) {
SDValue Result;
if (Op.getValueType() == MVT::i32)
Result = DAG.getExtLoad(ISD::SEXTLOAD, dl, MVT::i64, Chain, DataPtr,
- NULL, 0, MVT::i32);
+ MachinePointerInfo(), MVT::i32, false, false, 0);
else
- Result = DAG.getLoad(Op.getValueType(), dl, Chain, DataPtr, NULL, 0);
+ Result = DAG.getLoad(Op.getValueType(), dl, Chain, DataPtr,
+ MachinePointerInfo(),
+ false, false, 0);
return Result;
}
case ISD::VACOPY: {
SDValue SrcP = Op.getOperand(2);
const Value *DestS = cast<SrcValueSDNode>(Op.getOperand(3))->getValue();
const Value *SrcS = cast<SrcValueSDNode>(Op.getOperand(4))->getValue();
-
- SDValue Val = DAG.getLoad(getPointerTy(), dl, Chain, SrcP, SrcS, 0);
- SDValue Result = DAG.getStore(Val.getValue(1), dl, Val, DestP, DestS, 0);
- SDValue NP = DAG.getNode(ISD::ADD, dl, MVT::i64, SrcP,
+
+ SDValue Val = DAG.getLoad(getPointerTy(), dl, Chain, SrcP,
+ MachinePointerInfo(SrcS),
+ false, false, 0);
+ SDValue Result = DAG.getStore(Val.getValue(1), dl, Val, DestP,
+ MachinePointerInfo(DestS),
+ false, false, 0);
+ SDValue NP = DAG.getNode(ISD::ADD, dl, MVT::i64, SrcP,
DAG.getConstant(8, MVT::i64));
- Val = DAG.getExtLoad(ISD::SEXTLOAD, dl, MVT::i64, Result,
- NP, NULL,0, MVT::i32);
+ Val = DAG.getExtLoad(ISD::SEXTLOAD, dl, MVT::i64, Result,
+ NP, MachinePointerInfo(), MVT::i32, false, false, 0);
SDValue NPD = DAG.getNode(ISD::ADD, dl, MVT::i64, DestP,
DAG.getConstant(8, MVT::i64));
- return DAG.getTruncStore(Val.getValue(1), dl, Val, NPD, NULL, 0, MVT::i32);
+ return DAG.getTruncStore(Val.getValue(1), dl, Val, NPD,
+ MachinePointerInfo(), MVT::i32,
+ false, false, 0);
}
case ISD::VASTART: {
+ MachineFunction &MF = DAG.getMachineFunction();
+ AlphaMachineFunctionInfo *FuncInfo = MF.getInfo<AlphaMachineFunctionInfo>();
+
SDValue Chain = Op.getOperand(0);
SDValue VAListP = Op.getOperand(1);
const Value *VAListS = cast<SrcValueSDNode>(Op.getOperand(2))->getValue();
-
+
// vastart stores the address of the VarArgsBase and VarArgsOffset
- SDValue FR = DAG.getFrameIndex(VarArgsBase, MVT::i64);
- SDValue S1 = DAG.getStore(Chain, dl, FR, VAListP, VAListS, 0);
+ SDValue FR = DAG.getFrameIndex(FuncInfo->getVarArgsBase(), MVT::i64);
+ SDValue S1 = DAG.getStore(Chain, dl, FR, VAListP,
+ MachinePointerInfo(VAListS), false, false, 0);
SDValue SA2 = DAG.getNode(ISD::ADD, dl, MVT::i64, VAListP,
DAG.getConstant(8, MVT::i64));
- return DAG.getTruncStore(S1, dl, DAG.getConstant(VarArgsOffset, MVT::i64),
- SA2, NULL, 0, MVT::i32);
+ return DAG.getTruncStore(S1, dl,
+ DAG.getConstant(FuncInfo->getVarArgsOffset(),
+ MVT::i64),
+ SA2, MachinePointerInfo(),
+ MVT::i32, false, false, 0);
}
- case ISD::RETURNADDR:
- return DAG.getNode(AlphaISD::GlobalRetAddr, DebugLoc::getUnknownLoc(),
- MVT::i64);
+ case ISD::RETURNADDR:
+ return DAG.getNode(AlphaISD::GlobalRetAddr, DebugLoc(), MVT::i64);
//FIXME: implement
case ISD::FRAMEADDR: break;
}
-
+
return SDValue();
}
void AlphaTargetLowering::ReplaceNodeResults(SDNode *N,
SmallVectorImpl<SDValue>&Results,
- SelectionDAG &DAG) {
+ SelectionDAG &DAG) const {
DebugLoc dl = N->getDebugLoc();
assert(N->getValueType(0) == MVT::i32 &&
N->getOpcode() == ISD::VAARG &&
SDValue Chain, DataPtr;
LowerVAARG(N, Chain, DataPtr, DAG);
- SDValue Res = DAG.getLoad(N->getValueType(0), dl, Chain, DataPtr, NULL, 0);
+ SDValue Res = DAG.getLoad(N->getValueType(0), dl, Chain, DataPtr,
+ MachinePointerInfo(),
+ false, false, 0);
Results.push_back(Res);
Results.push_back(SDValue(Res.getNode(), 1));
}
/// getConstraintType - Given a constraint letter, return the type of
/// constraint it is for this target.
-AlphaTargetLowering::ConstraintType
+AlphaTargetLowering::ConstraintType
AlphaTargetLowering::getConstraintType(const std::string &Constraint) const {
if (Constraint.size() == 1) {
switch (Constraint[0]) {
return TargetLowering::getConstraintType(Constraint);
}
-std::vector<unsigned> AlphaTargetLowering::
-getRegClassForInlineAsmConstraint(const std::string &Constraint,
- EVT VT) const {
+/// Examine constraint type and operand type and determine a weight value.
+/// This object must already have been set up with the operand type
+/// and the current alternative constraint selected.
+TargetLowering::ConstraintWeight
+AlphaTargetLowering::getSingleConstraintMatchWeight(
+ AsmOperandInfo &info, const char *constraint) const {
+ ConstraintWeight weight = CW_Invalid;
+ Value *CallOperandVal = info.CallOperandVal;
+ // If we don't have a value, we can't do a match,
+ // but allow it at the lowest weight.
+ if (CallOperandVal == NULL)
+ return CW_Default;
+ // Look at the constraint type.
+ switch (*constraint) {
+ default:
+ weight = TargetLowering::getSingleConstraintMatchWeight(info, constraint);
+ break;
+ case 'f':
+ weight = CW_Register;
+ break;
+ }
+ return weight;
+}
+
+/// Given a register class constraint, like 'r', if this corresponds directly
+/// to an LLVM register class, return a register of 0 and the register class
+/// pointer.
+std::pair<unsigned, const TargetRegisterClass*> AlphaTargetLowering::
+getRegForInlineAsmConstraint(const std::string &Constraint, EVT VT) const
+{
if (Constraint.size() == 1) {
switch (Constraint[0]) {
- default: break; // Unknown constriant letter
- case 'f':
- return make_vector<unsigned>(Alpha::F0 , Alpha::F1 , Alpha::F2 ,
- Alpha::F3 , Alpha::F4 , Alpha::F5 ,
- Alpha::F6 , Alpha::F7 , Alpha::F8 ,
- Alpha::F9 , Alpha::F10, Alpha::F11,
- Alpha::F12, Alpha::F13, Alpha::F14,
- Alpha::F15, Alpha::F16, Alpha::F17,
- Alpha::F18, Alpha::F19, Alpha::F20,
- Alpha::F21, Alpha::F22, Alpha::F23,
- Alpha::F24, Alpha::F25, Alpha::F26,
- Alpha::F27, Alpha::F28, Alpha::F29,
- Alpha::F30, Alpha::F31, 0);
- case 'r':
- return make_vector<unsigned>(Alpha::R0 , Alpha::R1 , Alpha::R2 ,
- Alpha::R3 , Alpha::R4 , Alpha::R5 ,
- Alpha::R6 , Alpha::R7 , Alpha::R8 ,
- Alpha::R9 , Alpha::R10, Alpha::R11,
- Alpha::R12, Alpha::R13, Alpha::R14,
- Alpha::R15, Alpha::R16, Alpha::R17,
- Alpha::R18, Alpha::R19, Alpha::R20,
- Alpha::R21, Alpha::R22, Alpha::R23,
- Alpha::R24, Alpha::R25, Alpha::R26,
- Alpha::R27, Alpha::R28, Alpha::R29,
- Alpha::R30, Alpha::R31, 0);
+ case 'r':
+ return std::make_pair(0U, Alpha::GPRCRegisterClass);
+ case 'f':
+ return VT == MVT::f64 ? std::make_pair(0U, Alpha::F8RCRegisterClass) :
+ std::make_pair(0U, Alpha::F4RCRegisterClass);
}
}
-
- return std::vector<unsigned>();
+ return TargetLowering::getRegForInlineAsmConstraint(Constraint, VT);
}
+
//===----------------------------------------------------------------------===//
// Other Lowering Code
//===----------------------------------------------------------------------===//
MachineBasicBlock *
AlphaTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
- MachineBasicBlock *BB,
- DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const {
+ MachineBasicBlock *BB) const {
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
assert((MI->getOpcode() == Alpha::CAS32 ||
MI->getOpcode() == Alpha::CAS64 ||
MI->getOpcode() == Alpha::SWAP64) &&
"Unexpected instr type to insert");
- bool is32 = MI->getOpcode() == Alpha::CAS32 ||
+ bool is32 = MI->getOpcode() == Alpha::CAS32 ||
MI->getOpcode() == Alpha::LAS32 ||
MI->getOpcode() == Alpha::SWAP32;
-
+
//Load locked store conditional for atomic ops take on the same form
//start:
//ll
DebugLoc dl = MI->getDebugLoc();
MachineFunction::iterator It = BB;
++It;
-
+
MachineBasicBlock *thisMBB = BB;
MachineFunction *F = BB->getParent();
MachineBasicBlock *llscMBB = F->CreateMachineBasicBlock(LLVM_BB);
MachineBasicBlock *sinkMBB = F->CreateMachineBasicBlock(LLVM_BB);
- sinkMBB->transferSuccessors(thisMBB);
+ sinkMBB->splice(sinkMBB->begin(), thisMBB,
+ llvm::next(MachineBasicBlock::iterator(MI)),
+ thisMBB->end());
+ sinkMBB->transferSuccessorsAndUpdatePHIs(thisMBB);
F->insert(It, llscMBB);
F->insert(It, sinkMBB);
BuildMI(thisMBB, dl, TII->get(Alpha::BR)).addMBB(llscMBB);
-
+
unsigned reg_res = MI->getOperand(0).getReg(),
reg_ptr = MI->getOperand(1).getReg(),
reg_v2 = MI->getOperand(2).getReg(),
reg_store = F->getRegInfo().createVirtualRegister(&Alpha::GPRCRegClass);
- BuildMI(llscMBB, dl, TII->get(is32 ? Alpha::LDL_L : Alpha::LDQ_L),
+ BuildMI(llscMBB, dl, TII->get(is32 ? Alpha::LDL_L : Alpha::LDQ_L),
reg_res).addImm(0).addReg(reg_ptr);
switch (MI->getOpcode()) {
case Alpha::CAS32:
case Alpha::CAS64: {
- unsigned reg_cmp
+ unsigned reg_cmp
= F->getRegInfo().createVirtualRegister(&Alpha::GPRCRegClass);
BuildMI(llscMBB, dl, TII->get(Alpha::CMPEQ), reg_cmp)
.addReg(reg_v2).addReg(reg_res);
thisMBB->addSuccessor(llscMBB);
llscMBB->addSuccessor(llscMBB);
llscMBB->addSuccessor(sinkMBB);
- F->DeleteMachineInstr(MI); // The pseudo instruction is gone now.
+ MI->eraseFromParent(); // The pseudo instruction is gone now.
return sinkMBB;
}
// The Alpha target isn't yet aware of offsets.
return false;
}
+
+bool AlphaTargetLowering::isFPImmLegal(const APFloat &Imm, EVT VT) const {
+ if (VT != MVT::f32 && VT != MVT::f64)
+ return false;
+ // +0.0 F31
+ // +0.0f F31
+ // -0.0 -F31
+ // -0.0f -F31
+ return Imm.isZero() || Imm.isNegZero();
+}
projects / oota-llvm.git / blobdiff